67. Decoder

How do you plan to solve it?

/*module decoder3to8(
    input [2:0]s,
    output reg [7:0]y
); 

always@(*)begin
    y=8'b00000000;
        case(s)
            3'b000: y[0] = 1'b1;
            3'b001: y[1] = 1'b1;
            3'b010: y[2] = 1'b1;
            3'b011: y[3] = 1'b1;
            3'b100: y[4] = 1'b1;
            3'b101: y[5] = 1'b1;
            3'b110: y[6] = 1'b1;
            3'b111: y[7] = 1'b1;
            
        endcase
    end
    
endmodule*/ 

module decoder3to8 (
    input [2:0]s,
    output [7:0]y

);

assign y =(00000001<<s);

endmodule